audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing power steering pump (vehicles with 6-cyl. petrol engine) (MPI) > < General notes
Removing and installing power steering pump (vehicles with 4-cyl. engine)
   
Removing and installing power steering pump (vehicles with 4-cyl. engine)
Special tools and workshop equipment required
t  Hose clamps up to 25 mm Ø -3094-
t  Locking pin -3204-
t  Pin wrench -3212-, or if necessary use water pump wrench -V.A.G 1590-
t  Torque wrench -V.A.G 1331-

   
Front-end service sleeves -3369-
Removing
All vehicles
–  Remove noise insulation → Rep. Gr.50. → Rep. Gr.50
All vehicles except TFSI
–  Remove front bumper → Rep. Gr.63
–  Move lock carrier to Service position → Rep. Gr.50. → Rep. Gr.50
All vehicles
–  Slacken off poly V-belt → Rep. Gr.13.
–  Remove poly V-belt from power steering pump pulley.
  W00-0198
–  Clamp off suction and return lines with hose clamps -3094-.
–  Place drip tray in position.
–  Disconnect suction line.
–  Disconnect pressure hose (22 mm).
  A48-0054
All vehicles except TFSI
–  Depending on version, unbolt steering pump pulley, using pin wrench 3212 to counterhold.
  V48-1001
Vehicles with TFSI engine
–  Remove securing bolts -1- for power steering pump through holes in pulley.
  A48-0378
All vehicles
–  Unscrew bolt -arrow- on back of power steering pump.
–  Take out power steering pump.
Installing
Installation is performed in reverse sequence; note the following:
t  Renew gaskets and seals.
t  Before fitting a new pump, put in hydraulic fluid at the inlet and turn pump by hand until fluid flows out at the pressure outlet.
t  Secure all hose connections with new hose clips. → Parts catalogue
–  Turn hub by hand until fluid comes out at pump outlet.
  A48-0379
–  Fit pump on bracket.
–  Install and tighten bolts -1-. → Rep. Gr.13
  A48-0378
–  Tighten bolt -arrow- on back of power steering pump. → Rep. Gr.13
–  Fit new seals on banjo bolt.
–  Tighten banjo bolt for pressure hose → Item.
–  Install suction hose. Installation position → Chapter.
  A48-0379
–  Bolt on power steering pump pulley. → Rep. Gr.13
–  Fit poly V-belt. → Rep. Gr.13
Ensure that the belt is properly seated in the pulleys when installing.
–  Install lock carrier. → Rep. Gr.50
–  Install bumper. → Rep. Gr.63
–  Install noise insulation. → Rep. Gr.50
–  Fill up with hydraulic fluid → Parts catalogue.
–  Start engine and check that belt runs properly.
–  Check hydraulic fluid level → Chapter.
–  Bleed steering system → Chapter.
–  Check steering system for leaks → Chapter.
  V48-1001

Removing and installing power steering pump (vehicles with 6-cyl. petrol engine) (MPI) > < General notes